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Outline:About interrupt handler interrupt.h kernel header file Declaration of IRQ line number About request_irq function and its parameters Important flags that can be used by request_irq function Trigger a software interrupt using the int instruction User program to open and close a device Executing the user program Compile the driver and the user program Display the output of interrupt handler
About interrupt handler interrupt.h kernel header file Declaration of IRQ line number About request_irq function and its parameters Important flags that can be used by request_irq function Trigger a software interrupt using the int instruction User program to open and close a device Executing the user program Compile the driver and the user program Display the output of interrupt handler
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